Question 855268: can 14,15,20 be determined as right, acute,or obtuse,triangle.
77,78,101 - acute,right,or obtuse
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! can 14,15,20 be determined as right, acute,or obtuse,triangle.
If 20^2 (the longest side) = 14^2 + 15^2 it's a right triangle.
If 20^2 < 14^2 + 15^2 it's acute.
If 20^2 > 14^2 + 15^2 it's obtuse.
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77,78,101 - acute,right,or obtuse
Same as #1
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